Bieber behaving badly

POSTED: 12:11 PM PST Jan 23, 2014    UPDATED: 04:26 AM PST Feb 26, 2014 
Justin Bieber arrives at Toronto police station

Justin Bieber, who graduates from being a teen pop star when he celebrates his 20th birthday Saturday, has several court dates on his calendar next month. Take a look back at Bieber's long history of bad behavior.